Model: T20-01M1

Code Indicating Wheel Switch

Properties:

Overall Length
5.765 inches
Overall Height
1.150 inches
Overall Width
1.870 inches
Unthreaded Mounting Hole Diameter
0.100 inches single mounting facility
Individual Section Quantity
10
Mounting Method
Bracket single mounting facility and unthreaded hole single mounting facility
Actuator Type
Thumbwheel all actuators
Contact Voltage Rating In Volts
50.0 ac at sea level
Switch Actuator Indexing Position Quantity
10 all actuators
Terminal Type
Printed circuit
Contact Load Current Rating
100.0 milliamperes resistive load ac at sea level
Readout Indicator Marking
1, 2, 3, 4, 5, 6, 7, 8, 9, 0 each section
Contact Arrangement Truth Table
Decimal, 1 pole - 10 positions each section
Color
Black each body
Style Designator
Rectangular inline indicating
NSN
5930-01-317-7238
Part Number
T20-01M1
Description
Switch,code Indicating Wheel
CAGE
0N4U4

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.

Part T20-01M1 NSN 5930-01-317-7238

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62415
FIIG:
A052B0
Concept No.:
1
App. Key:
C
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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